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(:Test: op-add-yearMonthDurations-3                      :)
(:Written By: Carmelo Montanez                           :)
(:Date: June 29, 2005                                    :)
(:Purpose: Evaluates The "add-yearMonthDurations" function as :)
(:part of a boolean expression (or operator) and the "fn:boolean" function. :)
(: Apply "fn:string" function to account for new EBV.     :)
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fn:string(xs:yearMonthDuration("P20Y10M") + xs:yearMonthDuration("P19Y10M")) or fn:false()